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4 Cards in this Set
- Front
- Back
What they do...
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Similar to Beta blockers - inhibit Ca influx
Decrease SA/AV conductivity Slows SVT, a-fib, a-flutter Prime side effect: hypotension & bradycardia |
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verapamil (Isoptin, Calan)
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decreases SA & AV node conduction; decreases PVR; relaxes coronary vascular muscle
Indications: SVT/PSVT refractory to adensine, a-fib, a-flutter, angina Contraindications: Hypersensitivity Side Effects: Weakness, dizziness, bradycardia, reflex tachycardia |
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diltiazem hydrochloride (Cardizem)
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Class: Ca chan.block, Class IV antidysrhythmic, antianginal
Mech of action: Inhibits Ca influx across cell membranes = coronary artery dilation, decrease PVR, slow SA/AV node conduction Indications: A-Fib, A-Flutter, SVT/PSVT |
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nifedipine (Procardia, Adalat)
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Class: Class IV antidys., Ca chan blocker, antianginal
Mech of Action: relaxes coronary vascular smooth muscle, decreases SA / AV node conduction, decreases PVR Indications: Angina, hypertension |